Name: dBET57
Brand: BOC Sciences
Rating: 5 (1 reviews)

Size

Price

Stock

Quantity

$--

In stock

Purity

≥95%

Solubility

Soluble in DMSO

Appearance

Solid Powder

Storage

Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)

Shipping

Room temperature in continental US; may vary elsewhere

IUPACName

2-[(9S)-7-(4-chlorophenyl)-4,5,13-trimethyl-3-thia-1,8,11,12-tetrazatricyclo[8.3.0.0^2,6]trideca-2(6),4,7,10,12-pentaen-9-yl]-N-[2-[[2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindol-4-yl]amino]ethyl]acetamide

Synonyms

dBET 57; dBET-57; 6H-Thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-6-acetamide, 4-(4-chlorophenyl)-N-[2-[[2-(2,6-dioxo-3-piperidinyl)-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl]amino]ethyl]-2,3,9-trimethyl-, (6S)-; 2-[(6S)-4-(4-Chlorophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl]-N-(2-{[2-(2,6-dioxo-3-piperidinyl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl]amino}ethyl)acetamide

Density

1.60±0.1 g/cm3 (Predicted)

InChI Key

CZRLOIDJCMKJHE-UXMRNZNESA-N

InChI

InChI=1S/C34H31ClN8O5S/c1-16-17(2)49-34-27(16)29(19-7-9-20(35)10-8-19)38-23(30-41-40-18(3)42(30)34)15-26(45)37-14-13-36-22-6-4-5-21-28(22)33(48)43(32(21)47)24-11-12-25(44)39-31(24)46/h4-10,23-24,36H,11-15H2,1-3H3,(H,37,45)(H,39,44,46)/t23-,24?/m0/s1

SMILES

CC1=C(SC2=C1C(=NC(C3=NN=C(N32)C)CC(=O)NCCNC4=CC=CC5=C4C(=O)N(C5=O)C6CCC(=O)NC6=O)C7=CC=C(C=C7)Cl)C

Mechanism

Target: Targets BET bromodomain proteins, especially BRD4, BRD3, and BRD2 for experimental targeted protein degradation studies.

Binding Site: Binds the BET bromodomain acetyl-lysine pocket and recruited E3 ligase ligand site to support productive ternary complex formation.

Mechanism of Action: dBET57 is designed for use in PROTAC or targeted protein degradation experiments directed toward BET bromodomain proteins, especially BRD4, BRD3, and BRD2. The bifunctional molecule links a target-recognition element to cereblon, promoting proximity between the protein of interest and ubiquitination machinery. Productive ternary-complex formation can drive polyubiquitination and proteasome-dependent target depletion, allowing researchers to compare pharmacological inhibition with protein removal. It is suitable for evaluating degradation potency, kinetics, pathway selectivity, and downstream signaling consequences in engineered or disease-relevant cellular models.

Applications

• PROTAC-Mediated BRD4 Degradation: dBET57 is a potent PROTAC designed to selectively degrade the BRD4 protein, a key regulator of transcription in cancer cells. Researchers can utilize this tool to study the effects of BRD4 depletion on oncogenic signaling pathways and identify potential therapeutic targets in cancer biology.

• Targeted Protein Degradation in Epigenetics: By employing dBET57, scientists can investigate the role of BRD4 in epigenetic regulation and chromatin remodeling. This application aids in understanding how targeted protein degradation influences gene expression and contributes to epigenetic landscapes in various biological contexts.

• Cancer Research and Drug Discovery: dBET57 facilitates the exploration of novel cancer treatments by enabling the selective degradation of BRD4, a protein implicated in tumor progression. This approach allows researchers to dissect the molecular mechanisms underlying cancer and evaluate the therapeutic potential of targeted protein degradation strategies.

• Mechanistic Studies of PROTACs: Use dBET57 to explore the mechanistic aspects of PROTAC technology, including the dynamics of ternary complex formation and ubiquitination processes. This application provides insights into the efficiency and specificity of PROTAC-mediated protein degradation, informing the design of next-generation degraders.

1. Plasticity in binding confers selectivity in ligand-induced protein degradation.

Nowak, R.P., DeAngelo, S.L., Buckley, D., He, Z., Donovan, K.A., An, J., Safaee, N., Jedrychowski, M.P., Ponthier, C.M., Ishoey, M. and Zhang, T., 2018. Nature chemical biology, 14(7), pp.706-714.

Heterobifunctional small-molecule degraders that induce protein degradation through ligase-mediated ubiquitination have shown considerable promise as a new pharmacological modality. However, we currently lack a detailed understanding of the molecular basis for target recruitment and selectivity, which is critically required to enable rational design of degraders. Here we utilize a comprehensive characterization of the ligand-dependent CRBN-BRD4 interaction to demonstrate that binding between proteins that have not evolved to interact is plastic. Multiple X-ray crystal structures show that plasticity results in several distinct low-energy binding conformations that are selectively bound by ligands. We demonstrate that computational protein-protein docking can reveal the underlying interprotein contacts and inform the design of a BRD4 selective degrader that can discriminate between highly homologous BET bromodomains. Our findings that plastic interprotein contacts confer selectivity for ligand-induced protein dimerization provide a conceptual framework for the development of heterobifunctional ligands.

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It is commonly abbreviated as: C₁V₁ = C₂V₂